Home / 131,360.14-181,277.19-74,771.50

Finding the Fourth Proportional to 131,360.14, 181,277.19 and 74,771.50

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Solution

The fourth proportional to 131,360.14, 181,277.19 and 74,771.50 is: 103,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,360.14 : 181,277.19 = 74,771.50 : x
  2. Step 2: Convert to fraction form
    131,360.14/181,277.19 = 74,771.50/x
  3. Step 3: Cross multiply
    131,360.14x = 181,277.19 × 74,771.50
  4. Step 4: Simplify right side
    131,360.14x = 13,554,367,412.09
  5. Step 5: Solve for x
    x = 13,554,367,412.09/131,360.14
  6. Step 6: Final answer
    x = 103,184.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.